JP2007516546A - Ｄｓｐベースデータリカバリ - Google Patents

Ｄｓｐベースデータリカバリ Download PDF

Info

Publication number
JP2007516546A
JP2007516546A JP2006529712A JP2006529712A JP2007516546A JP 2007516546 A JP2007516546 A JP 2007516546A JP 2006529712 A JP2006529712 A JP 2006529712A JP 2006529712 A JP2006529712 A JP 2006529712A JP 2007516546 A JP2007516546 A JP 2007516546A
Authority
JP
Japan
Prior art keywords
signal
synchronization pattern
channel bit
synchronization
bit clock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
JP2006529712A
Other languages
English (en)
Japanese (ja)
Inventor
クラウズ ゲードケ
フリードリヒ ティンメルマン
アクセル コカール
ラルフ−デトレフ シェーファー
ヘルベルト シュッツェ
カブツ　マーテン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of JP2007516546A publication Critical patent/JP2007516546A/ja
Abandoned legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10305—Improvement or modification of read or write signals signal quality assessment
    • G11B20/10398—Improvement or modification of read or write signals signal quality assessment jitter, timing deviations or phase and frequency errors
    • G11B20/10425—Improvement or modification of read or write signals signal quality assessment jitter, timing deviations or phase and frequency errors by counting out-of-lock events of a PLL
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/16—Digital recording or reproducing using non self-clocking codes, i.e. the clock signals are either recorded in a separate clocking track or in a combination of several information tracks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2545—CDs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
JP2006529712A 2003-05-16 2004-04-27 Ｄｓｐベースデータリカバリ Abandoned JP2007516546A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03010998 2003-05-16
PCT/EP2004/004406 WO2004102564A1 (en) 2003-05-16 2004-04-27 Dsp-based data recovery

Publications (1)

Publication Number Publication Date
JP2007516546A true JP2007516546A (ja) 2007-06-21

Family

ID=33442728

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006529712A Abandoned JP2007516546A (ja) 2003-05-16 2004-04-27 Ｄｓｐベースデータリカバリ

Country Status (6)

Country Link
US (1) US7656982B2 (ko)
EP (1) EP1627388A1 (ko)
JP (1) JP2007516546A (ko)
KR (1) KR20060017788A (ko)
CN (1) CN1784744A (ko)
WO (1) WO2004102564A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011014223A (ja) * 2009-07-02 2011-01-20 Lsi Corp リード・チャネルにおけるフォーマット効率の高いタイミング回復のためのシステムおよび方法

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8949701B2 (en) 2008-09-23 2015-02-03 Agere Systems Inc. Systems and methods for low latency media defect detection
US8566381B2 (en) 2010-08-05 2013-10-22 Lsi Corporation Systems and methods for sequence detection in data processing
US8237597B2 (en) 2010-09-21 2012-08-07 Lsi Corporation Systems and methods for semi-independent loop processing
US8566378B2 (en) 2010-09-30 2013-10-22 Lsi Corporation Systems and methods for retry sync mark detection
US8614858B2 (en) 2010-11-15 2013-12-24 Lsi Corporation Systems and methods for sync mark detection metric computation
US8498072B2 (en) 2010-11-29 2013-07-30 Lsi Corporation Systems and methods for spiral waveform detection
US8526131B2 (en) 2010-11-29 2013-09-03 Lsi Corporation Systems and methods for signal polarity determination
US8411385B2 (en) 2010-12-20 2013-04-02 Lsi Corporation Systems and methods for improved timing recovery
US8325433B2 (en) 2011-01-19 2012-12-04 Lsi Corporation Systems and methods for reduced format data processing
US8261171B2 (en) 2011-01-27 2012-09-04 Lsi Corporation Systems and methods for diversity combined data detection
US8749908B2 (en) 2011-03-17 2014-06-10 Lsi Corporation Systems and methods for sync mark detection
US8565047B2 (en) 2011-04-28 2013-10-22 Lsi Corporation Systems and methods for data write loopback based timing control
US8665544B2 (en) 2011-05-03 2014-03-04 Lsi Corporation Systems and methods for servo data detection
US8874410B2 (en) 2011-05-23 2014-10-28 Lsi Corporation Systems and methods for pattern detection
US8498071B2 (en) 2011-06-30 2013-07-30 Lsi Corporation Systems and methods for inter-track alignment
US8669891B2 (en) 2011-07-19 2014-03-11 Lsi Corporation Systems and methods for ADC based timing and gain control
US8780476B2 (en) 2011-09-23 2014-07-15 Lsi Corporation Systems and methods for controlled wedge spacing in a storage device
US8773811B2 (en) 2011-12-12 2014-07-08 Lsi Corporation Systems and methods for zone servo timing gain recovery
US8625216B2 (en) 2012-06-07 2014-01-07 Lsi Corporation Servo zone detector
US8681444B2 (en) 2012-06-07 2014-03-25 Lsi Corporation Multi-zone servo processor
US8564897B1 (en) 2012-06-21 2013-10-22 Lsi Corporation Systems and methods for enhanced sync mark detection
US9019641B2 (en) 2012-12-13 2015-04-28 Lsi Corporation Systems and methods for adaptive threshold pattern detection
US9053217B2 (en) 2013-02-17 2015-06-09 Lsi Corporation Ratio-adjustable sync mark detection system
US9196297B2 (en) 2013-03-14 2015-11-24 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for enhanced sync mark mis-detection protection
US9275655B2 (en) 2013-06-11 2016-03-01 Avago Technologies General Ip (Singapore) Pte. Ltd. Timing error detector with diversity loop detector decision feedback
US10152999B2 (en) 2013-07-03 2018-12-11 Avago Technologies International Sales Pte. Limited Systems and methods for correlation based data alignment
US9129650B2 (en) 2013-07-25 2015-09-08 Avago Technologies General Ip (Singapore) Pte. Ltd. Array-reader based magnetic recording systems with frequency division multiplexing
US9129646B2 (en) 2013-09-07 2015-09-08 Avago Technologies General Ip (Singapore) Pte. Ltd. Array-reader based magnetic recording systems with mixed synchronization
US8976475B1 (en) 2013-11-12 2015-03-10 Lsi Corporation Systems and methods for large sector dynamic format insertion
CN104809038B (zh) * 2014-01-24 2020-03-17 中兴通讯股份有限公司 一种fifo异常处理方法及装置
US9224420B1 (en) 2014-10-02 2015-12-29 Avago Technologies General Ip (Singapore) Pte. Ltd. Syncmark detection failure recovery system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4641364A (en) * 1978-12-08 1987-02-03 Motorola, Inc. Function coding via digital addresses in a two-way system
US4347618A (en) * 1980-06-30 1982-08-31 Stephen P. Kavouras Apparatus for processing weather radar information
JPH087468A (ja) 1994-06-24 1996-01-12 Toshiba Corp 光ディスク再生装置
US6549942B1 (en) * 1995-05-25 2003-04-15 Audiohighway.Com Enhanced delivery of audio data for portable playback
ID25532A (id) * 1998-10-29 2000-10-12 Koninkline Philips Electronics Penanaman data tambahan dalam sinyal informasi
JP2001266493A (ja) 2000-03-23 2001-09-28 Sony Corp 識別方法、記録再生装置及び記録媒体
JP2001297523A (ja) 2000-04-14 2001-10-26 Sony Corp 光ディスク装置
US6788753B1 (en) * 2000-05-12 2004-09-07 Oak Technology, Inc. Maintenance of data synchronization across large gaps in a data stream
US6826245B1 (en) * 2000-05-12 2004-11-30 Oak Technology, Inc. Optimal location of a digital sync pattern
CA2323881A1 (en) * 2000-10-18 2002-04-18 Dps Wireless Inc. Adaptive personal repeater
JP2002216424A (ja) 2001-01-22 2002-08-02 Ricoh Co Ltd 多値データサンプリング装置と多値データのサンプリング方法
EP1395939A4 (en) * 2001-05-24 2006-06-07 New Objective Inc METHOD AND APPARATUS FOR ELECTRO-WAVING REGULATED BY FEEDBACK
JP3958084B2 (ja) * 2002-02-08 2007-08-15 キヤノン株式会社 光学的記録再生方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011014223A (ja) * 2009-07-02 2011-01-20 Lsi Corp リード・チャネルにおけるフォーマット効率の高いタイミング回復のためのシステムおよび方法

Also Published As

Publication number Publication date
US20070064847A1 (en) 2007-03-22
CN1784744A (zh) 2006-06-07
EP1627388A1 (en) 2006-02-22
WO2004102564A1 (en) 2004-11-25
US7656982B2 (en) 2010-02-02
KR20060017788A (ko) 2006-02-27

Similar Documents

Publication Publication Date Title
JP2007516546A (ja) Ｄｓｐベースデータリカバリ
US7203017B1 (en) Timing recovery for data storage channels with buffered sectors
US7035029B2 (en) Method of and apparatus for recording/reading information, circuit for recording/reading signal
JP2003109334A (ja) 同期サーボチャンネルを具備するサーボ回路及びサーボデータを同期的に回復する方法
JP2011175721A (ja) データ回復のためのシステムおよび方法
JPH07169033A (ja) ディスク駆動装置
US7116618B2 (en) Defective sector determination device and optical disk drive
JP2003016746A (ja) スピンアップウェッジを検知する回路及び方法及びデータ記憶ディスクのスピンアップに関する対応するサーボウェッジ
JP2003051166A (ja) データ記憶ディスクのスピンアップに関するサーボウェッジを検知する回路及び方法
US5625505A (en) Method of and apparatus for regenerating partial-response record signal
US7110333B2 (en) Disk player
CN100405498C (zh) 盘驱动器中检测同步标记的方法和装置
JP2943578B2 (ja) 光ディスク再生装置
JP4555454B2 (ja) データ再生装置
JP2003022624A (ja) 僅かなスピンアップウェッジを具備するか又は具備することのないデータ記憶ディスク及び該ディスク上にサーボウェッジを書込む方法
JP3719680B2 (ja) 同期生成方法及び同期生成回路
JP2006526232A (ja) ビット同期検出手段
US6691072B2 (en) Mark length selection apparatus, mark length selection method, maximum mark length detection apparatus, and maximum mark length detection method
JP3199112B2 (ja) 周波数比較器及びこれを用いた位相ロックループ回路、周波数誤差検出回路及びこれを用いたデータ読取装置
JP3495005B2 (ja) ディスク再生方法、及びディスク再生装置
JP3906125B2 (ja) 光ディスク装置及びそのプログラム
JP2004071055A (ja) ディスク再生装置とディスク再生方法
JPH06176501A (ja) ディスク読取装置
JP2001052454A (ja) ディスクドライブ装置およびサーボ情報検出方法
JP2000315359A (ja) 再生装置

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070409

A762 Written abandonment of application

Free format text: JAPANESE INTERMEDIATE CODE: A762

Effective date: 20100226

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20100226